Plastic composition.



ARNOLD W EXLER, OF NEW YOBlK, N. Y.

PLASTIC COMPOSITION.

1,241,8 a Specification of Letters ratent. Patented Sept, 25, 1917, K Drawing. Application flied January 20, 1917. Serial No. 143,446. To all whom it may concern: The proportions in which I wish to em- Be it known that I, ARNOLD WEXLER, a ploy the said ingredients are about threesubject of the Emperor of Austria, residing fourths by weight of the paper pulp in the borough of Manhattan, city, county, and one-fourth (3;) by weight of the plas- 5 and State of New York, have invented certer of Paris, glue and resin. When liqtain new and useful Improvements in Plastic uid shellac is used, I prefer to employ Compositions, of which the following is a slightly more than one-half Q) the quantity specification. of glue specified and to replace the omitted My invention relates to a new composition glue with shellac so that, assuming the total 10 of matter and has for its object to produce a Weight of ingredients to be one hundred composition which shall be light, tough. (so (100) pounds, the weight of the difl'erent as not to be easily broken), shall be capable ingredients Wlll be substantially as follows:

of being penetrated by a nail, and W111 be Paper pulp-seventy-five (75) pounds,

sufficiently elastic to hold such nail. Plaster-eight and one-third (8-3 pounds, 1.5 In accomplishing the foregoing advan- Glueeight and one-third (81],) pounds,

tages, I employ in the said composition a and large percentage of fibrous matter, such as Resin-eight and one-third (8%) pounds. paper pulp, and with this I incorporate If liquid shellac is employed, I would use matter whereby it is given stiffness and riabout three (3) pounds of shellac and five 20 gidity, such as plaster of Paris and other and one-third (5%) pounds of lue in place substances for glving the mass strength and of the eight and one-third (8%; pounds of binding the particles thereof together, such glue. 1 as glue and resin, and, if desired, a small The composition prepared of the foregoproportion of shellac. ing ingredients, after being mixed, should be 25 In carrying my invention into effect, I dried in a drier wherein it is exposed to heat prefer toemploy fibrous matter, such as evenly. When the composition is thorpaper pulp, as the principal constituent in 'oughly dry, it will be found to be extremely the composition for the reason that the same light, to be strong and tough so that, if an is light, easily molded to shape and not article made from it is dropped upon the 30 easily broken. This paper pulp is preferfloor, it will not break, and to hold a nail ably employed by me in the statein which which may be driven into it. Should, for it is prepared for making paper in the beatany reason,-I desire to make the composition ing engine of a paper mill wherein the fibers harder, this can be done by reducing the have been sub-divided and drawn out. I quantity of paper pulp and increasing the 35 prefer to employ the said pul in its wet other ingredients. To make the composicondition. To this paper pulp add a small tion softer, the quantity of paper pulp amount of plaster of Paris and this may be i should be increased and that of the other added dry and dissolved by the moisture in ingredients should be reduced. the paper pulp. The plaster imparts'stiff- The said composition is useful for a vae0 ness and rigidity to the article produced riety of uses. Among the uses for which the from my new composition. same is particularly adapted is for the man- I also add to'the said composition a small ufacture of hat blocks. Hat blocks are used quantity of liquid glue, for which purpose I for the purpose of shaping and drying hats. may employ any of the usual commercial They. have, to a large extent, been previously 45 glues. The glue is employed as an adhesive made of wood orplaster of Paris. Vast and binder tohold the particles more firmly numbers of these blocks are used, as the together. If desired, in addition to the styles are constantly changing. The manuglue I may employ a small quantity of liqfacture of blocks made of wood is expensive uid shellac and, when the shellac is emand plaster of Paris, while largely employe 5c ployed, it will preferably take the place of for the purpose, is subject to many disadan equal amount of glue. vantages, chief among which are the fact Another ingredient which I employ in my that they are easily broken and, further, improved composition is resin, which is disthat they will not hold a nail. My improved solved in turpentine previous to being added composition has shown itself to be particu- 55 to the said compositlon. larly well adapted for this use. p

r In the foregoing specification I have I stated the best manner of carrying'my invention into effect now known to me, but the same may be modified 'withinthe limits of the appended claims, both in regard to the particular proportions of ingredients specified, which may be varled .according to the use, and as to whether the resulting composition is to be harder or softer. The composition may be further varied by omitting the shellac, which I regard as desirable but not essential.

What I claim is 1. A new composition of matter containing fibrous material, plaster of Paris, glue and resin.

"(25%) of plaster of Paris, glue and resin in substantially equal quantities.

5. A new composition of matter containing about seventy-five per cent. (75%) of paper pulp, about eight and one-third per cent. (8%) of plaster of Paris, about eight and one-third per cent. (8%%) of resin, about three per cent. (3%) of shellac, and

about five and one-third per cent. (5 7;%) I

of glue. 6. A new composition of matter the major portion by Weight of which consists of' finely-divided paper pulp and the balance of substantially equal quantities of plaster of Paris, resin and an adhesive.

7. A new composition of matterthe major portion by weight of which consists of finely-divided paper pulp and the balance of substantially equal quantities of plaster of Paris, resin, and of amixture composed of glue and shellac.

' In witness whereof,I have hereunto signed my name.

ARN WEXLER. 

